<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>我的第一个HTML文件</title>
</head>
<body>
    <!-- <h1>我是一级标题</h1>
    <h2>我是二级标题</h2>
    <h3>我是三级标题</h3>
    <h4>我是四级标题</h4>
    <h5>我是五级标题</h5>
    <h6>我是六级标题</h6> -->
    <!-- <p>
         &nbsp;&nbsp;&nbsp;&nbsp;Lorem ipsum dolor sit, amet consectetur adipisicing elit. Impedit nam quia deserunt exercitationem commodi ea quisquam voluptatum aliquam aspernatur dignissimos asperiores, aut cum hic soluta beatae qui. Illo, repellendus ipsa.
    </p>
    <p>
         &nbsp;&nbsp;&nbsp;&nbsp;Lorem ipsum dolor sit, amet consectetur adipisicing elit. Impedit nam quia deserunt exercitationem commodi ea quisquam voluptatum aliquam aspernatur dignissimos asperiores, aut cum hic soluta beatae qui. Illo, repellendus ipsa.
    </p> -->
    <!-- 这是一个换行<br/>
    这是一个换行<br/>
    这是一个换行<br/> -->

    <!-- <img src = "https://img2.baidu.com/it/u=3359649605,3626874592&fm=253&fmt=auto&ap
 p=138&f=JPEG?w=500&h=752"
    alt = "这是一个图片">
    <img src = "../pic/1.png"
    alt = "这是一个图片"> -->

   <!--  <a href="https://www.bilibili.com/" target="_blank">b站</a>
    <a href = "demo2.html" target="_blank">demo2</a>
    <a href="#">空链接</a>
    <a href="1.rar">下载文件</a> -->

    <!-- <table style="width: 500px; height: 400px;" border="1px red" cellspacing="0">
        <tr>
            <td colspan="2">aaa</td>
        </tr>
        <tr>
            <td>ccc</td>
            <td rowspan="3">ccc</td>
        </tr>
        <tr>
            <td rowspan="3">ddd</td>
        </tr>
        <tr>
            <td>eee</td>
        </tr>
        <tr>
            <td>ggg</td>
        </tr>
    </table> -->

    <table align="center" border="1" cellpadding="20" cellspacing="0" width="500" height="500">
        <tr>
            <td>姓名</td>
            <td>性别</td>
            <td>年龄</td>
        </tr>
        <tr>
            <td>张三</td>
            <td>男</td>
            <td>10</td>
        </tr>
        <tr>
            <td>李四</td>
            <td>女</td>
            <td>11</td>
        </tr>
    </table>
</body>
</html>